SAH Archipedia uses terms from the Getty Art and Architecture Thesaurus (AAT) to categorize and classify metadata for the entries in the database. For more information on the Getty AAT, click here.

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rock shelters
Caves, sheltering overhangs, or other naturally occurring protected areas in the living rock that are or were used as shelters or dwellings by humans, other hominids, or animals.

rodeos
Public exhibitions of skill and competition that may include the riding of unbroken horses or bulls, roping of calves, wrestling with steers, and a round-up, which is the driving together of cattle in order to separate, count, inspect, or mark them. Public exhibitions of skill and competition that may include the riding of unbroken horses or bulls, roping of calves, wrestling with steers, and a round-up, which is the driving together of cattle in order to separate, count, inspect, or mark them.

roller coasters
Amusement park rides having a gravity train that moves along a closed loop on a sharply winding trestle built with steep inclines that produce sudden speedy plunges for thrill-seeking passengers.

roller-skating rinks
Buildings with large unobstructed spaces specially surfaced usually with hardwood or another smooth durable material for roller skating.

rolling mills
Steel mills where, usually hot, metal is passed between rollers to produce steel of a prescribed thickness or cross-sectional form.

roof gardens
Gardens, situated on rooftops, typically in urban areas above private houses or commercial buildings. The depth of soil is limited to keep the weight low and the plants are usually set in tubs or similar containers, but elaborate roof gardens have been constructed with small pools and beds.

rooftops
Areas located on the roof of a building, usually flat areas that are accessible to inhabitants of the building.

rooming houses
Houses, sometimes family homes or other relatively small buildings, that offer for a fixed fee apartments or rooms and sometimes meals. Rooming houses typically differ from boardinghouses in that a rooming house offers fewer amenities and less social contact with the family or other operators. However, in nineteenth-century American usage, the term may overlap in meaning with "boardinghouses."

root cellars
Cellars, partially or wholly underground and usually covered with dirt, where root crops and other crops are stored.

ropewalks
Long, usually narrow, buildings or spaces in which ropes are made, generally by spinning fibers into yarns, twisting yarns into strands, and twisting three or more strands into rope; usually producing rope for marine and seafaring industries and often located at or near seaports. Distinct from "roperies" which are used generally for any type of rope-making plant housed in any type of structure or space.

rose gardens
Flower gardens in which a majority of beds are designated for the cultivation of roses.

rose windows
Circular windows containing patterned tracery, particularly stained glass windows that are divided into compartments by mullions radiating from a center, or filled with tracery suggestive of the form of a rose or wheel.

rosette (motif)
Motif in the form of a stylized rose with petals radiating from the center, or for similar circular ornaments having a design radiating from the center.

rotundas (buildings)
Round buildings, especially those that are round both outside and inside and covered by domes.

rotundas (interior spaces)
Generally refers to large round rooms.

round barns
Historic barn design that flourished between the late 19th and early 20th centuries in the United States and Canada. Round barns were built in a variety of shapes: octagonal, polygonal, or circular.

round towers
Circular stone towers which taper toward the top, have a conical stone cap, four to five internal floors, and an entry door high above the ground; common in Ireland, associated with churches, and probably built between the 10th and 12th centuries.

roundhouses
Circular buildings for housing and repairing locomotives.

row houses
Urban dwellings attached in a series of three or more. For individual freestanding urban dwellings use "town houses."

royal palaces
Palaces for royalty, especially a monarch, usually grander in scale than other palaces and including accommodations for the royal court and its officers.

royal residences
Residences built for or inhabited by royalty.

ruins
The remains of buildings or groups of buildings that have been destroyed or are in a state of great disrepair or decay.

running tracks
Outdoor sports and recreation spaces, usually an extended oval in plan and having special surfacing and markings, designed for foot racing; for similar recreation spaces indoors, use "indoor tracks."

runways (airport runways)
Specially prepared surfaces on an airfield for the taking off and landing of aircraft.

runways (stage components)
Narrow projections of the stage extending out into the orchestra pit or the audience seating area, used by performers and fashion models.

rural areas
Settlement areas characterized by country life or agriculture.

rural communities
Communities, usually small in size, located outside urban areas in isolated or undeveloped areas.

rural land use
The use of a lot or parcel of real property for farming or agriculture.

rural schools (buildings)
Small buildings that house educational facilities, built in sparsely populated nonurban areas to provide public, usually elementary, education to local residents. Use when emphasizing the function or location of such buildings; when emphasizing the small size or form of some early examples, prefer "one-room schools."

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